There is no distinction between rifampicin type 1 and type 2. Rifampin is a broad-spectrum antibacterial drug with bactericidal effect on Mycobacterium tuberculosis, Mycobacterium non-tuberculosis and Mycobacterium leprae. It is mainly used for anti-tuberculosis treatment and is a very important drug in anti-tuberculosis. Rifampicin has good anti-tuberculosis efficacy, bactericidal and sterilizing effects, but it has more adverse reactions, including the following: 1) serious liver damage and liver necrosis; 2) allergic reactions, such as skin itching, rash and fever; 3) inhibitory effects on the blood system, such as a decrease in white blood cells and platelets, and hemolytic anemia; 4) gastrointestinal reactions, such as stomach discomfort, nausea and vomiting after taking the drug. Stomach discomfort, nausea, vomiting; 5. The appearance of neurological symptoms, manifested as dizziness, weakness, sleep disorders, etc.